Fw: [meteorite-list] FW: Mars Odyssey THEMIS Images: July 11-15, 2005

From: Dippl Family <alckelec_at_meteoritecentral.com>
Date: Sat Jul 16 11:07:51 2005
Message-ID: <009501c58a18$125e5f30$45406596_at_acas>

Forgive my earlier post that came 15 minutes after the last.
Cheers Pete Dippl
----- Original Message -----
From: "Greg Redfern" <gredfern_at_earthlink.net>
To: "'G?ran Axelsson'" <axelsson_at_acc.umu.se>;
<meteorite-list_at_meteoritecentral.com>
Sent: Sunday, July 17, 2005 12:28 AM
Subject: RE: [meteorite-list] FW: Mars Odyssey THEMIS Images: July 11-15,
2005


Hi Goran,

   My SWAG is similar to yours and Pete's. What is really interesting is the
alignment and constraint of the ejecta along one axis. It would seem that
the ejecta was "confined" to this alignment due to the intersecting ejecta
plumes and not allowed to spread.

Greg

Greg Redfern
NASA JPL Solar System Ambassador
http://www2.jpl.nasa.gov/ambassador/index.html
What's Up: The Space Place
http://www.wtopnews.com/index.php?nid=421


-----Original Message-----
From: meteorite-list-bounces_at_meteoritecentral.com
[mailto:meteorite-list-bounces_at_meteoritecentral.com] On Behalf Of G?ran
Axelsson
Sent: Saturday, July 16, 2005 10:56 AM
To: meteorite-list_at_meteoritecentral.com
Subject: Re: [meteorite-list] FW: Mars Odyssey THEMIS Images: July 11-15,
2005

Just a guess but...

Twin impact, a meteorite that broke in two parts during impact or short
ahead.
Maybe it was two loosely attached bodies that fell or a broken body.
Anyhow, they should have been really close in mass to create such a perfect
twin crater and the two plumes of ejecta.
The nice rim in the middle and the plumes could only be formed if the two
craters were formed at the same time.

If this could form, then there should be a whole range of twin craters
with different size craters and the ejecta plumes in different angles.

/G?ran

Greg Redfern wrote:

>Hello List,
>
> Any ideas as to what went on here? Check #60 - one of the MOST unusual
>crater formations I have ever seen.
>
>All the best,
>
>Greg
>
>Greg Redfern
>NASA JPL Solar System Ambassador
>http://www2.jpl.nasa.gov/ambassador/index.html
>What's Up: The Space Place
>http://www.wtopnews.com/index.php?nid=421
>
>
>o THEMIS Images as Art #60 (Released 15 July 2005)
> http://themis.la.asu.edu/zoom-20050715A.html
>
>
>All of the THEMIS images are archived here:
>
>http://themis.la.asu.edu/latest.html
>
>
>
>

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Received on Sat 16 Jul 2005 11:07:18 AM PDT